52 UNGULATA. 



M. 2871. Fragment of the left ramus of the mandible, containing 

 the hinder part of the half-worn m . 3. 



Cauiley Collection. Presented, 1842. 



M. 2863. Fragment of the right ramus of the mandible, containing 

 {Fig.) the third true molar, which has been vertically and longi- 

 tudinally bisected. The section is figured by Falconer and 

 Cautley, op. cit. pi. iii. fig. 10 h. 



Cauiley Collection. Presented, 1842. 



M. 2872. Fragment of the left ramus of the mandible, containing 



{Fig.) the little-worn m . 3, imperfect anteriorly. Figured by 



Falconer and Cautley, op. cit. pi. xxxvii. figs. 4, 4 a (as 



? m. l). Presented by Dr. Hugh Fcdconer. 



16317. Middle part of the third right lower true molar, in an un- 

 worn condition. Cautley Collection. Presented, 1842. 



M. 2862. Fragment of the third left lower true molar. Figured by 

 {Fig.) Falconer and Cautley, op. cit. pi. xxxvi. fig. 3. 



Cautley Collection. Presented, 1842. 



16378. Hinder part of the third right lower true molar, in a half- 

 worn condition. Cautley Collection. Presented, 1842. 



M. 2875. A tooth, described by Falconer as the third (penultimate) 

 {Fig.) upper milk-molar of this species. Figured by Falconer 

 and Cautley, op. cit. pi. xxxvi. figs. 1, 1 a ; in size this speci- 

 men agrees with mm. 2- 



Cautley Collection. Presented, 1842. 



Mastodon arvernensis, Croizet and Jobert 1 . 



Syn. Mastodon bj-evirostris, Gervais 2 . 

 Mastodon dissimilis, Jordan 3 . 

 Anancus macroplus, Aymard 4 . 



This species is closely allied to the last, with which it agrees 



1 Oss. Foss. d. Puy-de-D6me, p. 138 (1828). 



2 Ann. Sci. Nat. ser. 3, vol. v. (1854) ; see also Zool. et Pal. Franchises, 

 2nd ed. p. 67 (1859). 



3 Ann. Soc. Agric. Lyon, ser. 3, vol. ii. (18f)8), teste Deperet; see also Lortet 

 and Chantre, Arch. Mus. Lyon, vol. ii. p. 297 (1878). 



4 Ann. Soc. Agric. Sci. le Puy, 1854, p. 597, teste Depdret. 



,3^7 



